chrome/browser/ui/views/default_search_view.cc - platform/external/chromium - Git at Google

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include "chrome/browser/views/default_search_view.h"

 #include <string>

 #include "app/l10n_util.h"
 #include "app/message_box_flags.h"
 #include "app/resource_bundle.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_model.h"
 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "gfx/canvas.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "grit/theme_resources.h"
 #include "views/controls/button/native_button.h"
 #include "views/controls/image_view.h"
 #include "views/controls/label.h"
 #include "views/grid_layout.h"
 #include "views/standard_layout.h"
 #include "views/window/dialog_client_view.h"
 #include "views/window/window.h"

 namespace {

 // Returns a short name and logo resource id for the given host.
 void GetShortNameAndLogoId(PrefService* prefs,
                            const TemplateURL* turl,
                            std::wstring* short_name,
                            int* logo_id) {
   DCHECK(prefs);
   DCHECK(turl);
   DCHECK(short_name);
   DCHECK(logo_id);

   GURL url = TemplateURLModel::GenerateSearchURL(turl);
   scoped_ptr<TemplateURL> built_in_data(
       TemplateURLPrepopulateData::GetEngineForOrigin(prefs, url));

   // Use the built-in information to generate the short name (to ensure
   // that we don't use a name given by the search engine to itself which
   // in the worst case could be misleading).
   if (built_in_data.get()) {
     *short_name = built_in_data->short_name();
     *logo_id = built_in_data->logo_id();
   } else {
     *short_name = UTF8ToWide(url.host()).c_str();
     *logo_id = kNoSearchEngineLogo;
   }
 }

 views::Label* CreateProviderLabel(int message_id) {
   views::Label* choice_label =
       new views::Label(l10n_util::GetString(message_id));
   choice_label->SetColor(SK_ColorBLACK);
   choice_label->SetFont(
       choice_label->font().DeriveFont(1, gfx::Font::NORMAL));
   return choice_label;
 }

 views::View* CreateProviderLogo(
     int logo_id,
     const std::wstring& short_name) {
   views::View* logo_view = NULL;

   // The width for the "logo" element when text is displayed.
   const int kTextLogoWidth = 132;

   bool use_images = false;
 #if defined(GOOGLE_CHROME_BUILD)
   use_images = true;
 #endif

   if (use_images && logo_id != kNoSearchEngineLogo) {
     views::ImageView* logo_image = new views::ImageView();
     SkBitmap* logo_bmp =
         ResourceBundle::GetSharedInstance().GetBitmapNamed(logo_id);
     logo_image->SetImage(logo_bmp);
     logo_image->SetTooltipText(short_name);
     logo_view = logo_image;
   } else {
     // No logo -- show a text label.
     views::Label* logo_label = new views::Label(short_name);
     logo_label->SetColor(SK_ColorDKGRAY);
     logo_label->SetFont(logo_label->font().DeriveFont(3, gfx::Font::BOLD));
     logo_label->SetHorizontalAlignment(views::Label::ALIGN_CENTER);
     // Tooltip text provides accessibility for low-vision users.
     logo_label->SetTooltipText(short_name);
     logo_view = logo_label;
   }

   return logo_view;
 }
 views::NativeButton* CreateProviderChoiceButton(
     views::ButtonListener* listener,
     int message_id,
     const std::wstring& short_name) {
   return new views::NativeButton(listener, l10n_util::GetStringF(
       message_id, short_name));
 }

 }  // namespace

 // static
 void DefaultSearchView::Show(TabContents* tab_contents,
                              TemplateURL* default_url,
                              TemplateURLModel* template_url_model) {
   scoped_ptr<TemplateURL> template_url(default_url);
   if (!template_url_model->CanMakeDefault(default_url) ||
       default_url->url()->GetHost().empty())
     return;

   // When the window closes, it will delete itself.
   new DefaultSearchView(tab_contents, template_url.release(),
                         template_url_model);
 }

 DefaultSearchView::~DefaultSearchView() {
 }

 void DefaultSearchView::Paint(gfx::Canvas* canvas) {
   // Fill in behind the background image with the standard gray toolbar color.
   canvas->FillRectInt(SkColorSetRGB(237, 238, 237), 0, 0, width(),
                       background_image_->height());
   // The rest of the dialog background should be white.
   DCHECK(height() > background_image_->height());
   canvas->FillRectInt(SK_ColorWHITE, 0, background_image_->height(), width(),
                       height() - background_image_->height());
 }

 void DefaultSearchView::ButtonPressed(views::Button* sender,
                                       const views::Event& event) {
   views::DialogClientView* client = GetDialogClientView();
   if (sender == proposed_provider_button_)
     client->AcceptWindow();
   else
     client->CancelWindow();
 }

 std::wstring DefaultSearchView::GetWindowTitle() const {
   return l10n_util::GetString(IDS_DEFAULT_SEARCH_TITLE);
 }

 views::View* DefaultSearchView::GetInitiallyFocusedView() {
   return default_provider_button_;
 }

 views::View* DefaultSearchView::GetContentsView() {
   return this;
 }

 int DefaultSearchView::GetDialogButtons() const {
   return MessageBoxFlags::DIALOGBUTTON_NONE;
 }

 bool DefaultSearchView::Accept() {
   // Check this again in case the default became managed while this dialog was
   // displayed.
   TemplateURL* set_as_default = proposed_turl_.get();
   if (!template_url_model_->CanMakeDefault(set_as_default))
     return true;

   template_url_model_->Add(proposed_turl_.release());
   template_url_model_->SetDefaultSearchProvider(set_as_default);
   return true;
 }

 DefaultSearchView::DefaultSearchView(TabContents* tab_contents,
                                      TemplateURL* proposed_default_turl,
                                      TemplateURLModel* template_url_model)
     : background_image_(NULL),
       default_provider_button_(NULL),
       proposed_provider_button_(NULL),
       proposed_turl_(proposed_default_turl),
       template_url_model_(template_url_model) {
   PrefService* prefs = tab_contents->profile()->GetPrefs();
   SetupControls(prefs);

   // Show the dialog.
   tab_contents->CreateConstrainedDialog(this);
 }

 void DefaultSearchView::SetupControls(PrefService* prefs) {
   using views::ColumnSet;
   using views::GridLayout;
   using views::ImageView;
   using views::Label;

   // Column set id's.
   const int kWholeDialogViewSetId = 0;
   const int kPaddedWholeDialogViewSetId = 1;
   const int kChoicesViewSetId = 2;

   // Set up the information for the proposed default.
   std::wstring proposed_short_name;
   int proposed_logo_id = kNoSearchEngineLogo;
   GetShortNameAndLogoId(prefs,
                         proposed_turl_.get(),
                         &proposed_short_name,
                         &proposed_logo_id);
   if (proposed_logo_id != kNoSearchEngineLogo)
     proposed_turl_->set_logo_id(proposed_logo_id);


   // Set up the information for the current default.
   std::wstring default_short_name;
   int default_logo_id = kNoSearchEngineLogo;
   GetShortNameAndLogoId(prefs,
                         template_url_model_->GetDefaultSearchProvider(),
                         &default_short_name,
                         &default_logo_id);

   // Now set-up the dialog contents.
   GridLayout* layout = new views::GridLayout(this);
   layout->SetInsets(0, 0, kPanelVertMargin, 0);
   SetLayoutManager(layout);

   // Add a column set that spans the whole dialog.
   ColumnSet* whole_dialog_column_set =
       layout->AddColumnSet(kWholeDialogViewSetId);
   whole_dialog_column_set->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
                                      1, GridLayout::FIXED,
                                      views::Window::GetLocalizedContentsWidth(
                                          IDS_DEFAULT_SEARCH_WIDTH_CHARS),
                                      0);

   // Add a column set that spans the whole dialog but obeying padding.
   ColumnSet* padded_whole_dialog_column_set =
       layout->AddColumnSet(kPaddedWholeDialogViewSetId);
   padded_whole_dialog_column_set->AddPaddingColumn(1, kPanelVertMargin);
   padded_whole_dialog_column_set->AddColumn(
       GridLayout::LEADING, GridLayout::LEADING,
       1, GridLayout::USE_PREF, 0, 0);
   padded_whole_dialog_column_set->AddPaddingColumn(1, kPanelVertMargin);

   // Add a column set for the search engine choices.
   ColumnSet* choices_column_set = layout->AddColumnSet(kChoicesViewSetId);
   choices_column_set->AddPaddingColumn(1, kPanelVertMargin);
   choices_column_set->AddColumn(GridLayout::CENTER, GridLayout::CENTER,
                                 1, GridLayout::USE_PREF, 0, 0);
   choices_column_set->AddPaddingColumn(1, kRelatedControlHorizontalSpacing);
   choices_column_set->AddColumn(GridLayout::CENTER, GridLayout::CENTER,
                                 1, GridLayout::USE_PREF, 0, 0);
   choices_column_set->LinkColumnSizes(0, 2, -1);
   choices_column_set->AddPaddingColumn(1, kPanelVertMargin);

   // Add the "search box" image.
   layout->StartRow(0, kWholeDialogViewSetId);
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   background_image_ = new ImageView();
   background_image_->SetImage(rb.GetBitmapNamed(IDR_SEARCH_ENGINE_DIALOG_TOP));
   background_image_->EnableCanvasFlippingForRTLUI(true);
   ImageView::Alignment horizontal_alignment =
       base::i18n::IsRTL() ? ImageView::LEADING : ImageView::TRAILING;
   background_image_->SetHorizontalAlignment(horizontal_alignment);
   layout->AddView(background_image_);

   // Add text informing the user about the requested default change.
   layout->StartRowWithPadding(0, kPaddedWholeDialogViewSetId,
                               1, kLabelToControlVerticalSpacing);
   Label* summary_label = new Label(l10n_util::GetStringF(
       IDS_DEFAULT_SEARCH_SUMMARY,
       proposed_short_name));
   summary_label->SetColor(SK_ColorBLACK);
   summary_label->SetFont(
       summary_label->font().DeriveFont(1, gfx::Font::NORMAL));
   summary_label->SetHorizontalAlignment(Label::ALIGN_LEFT);
   layout->AddView(summary_label);

   // Add the labels for the tops of the choices.
   layout->StartRowWithPadding(0, kChoicesViewSetId,
                               0, kRelatedControlVerticalSpacing);
   layout->AddView(CreateProviderLabel(IDS_DEFAULT_SEARCH_LABEL_CURRENT));
   layout->AddView(CreateProviderLabel(IDS_DEFAULT_SEARCH_LABEL_PROPOSED));

   // Add the logos.
   layout->StartRowWithPadding(0, kChoicesViewSetId,
                               0, kRelatedControlVerticalSpacing);
   layout->AddView(CreateProviderLogo(default_logo_id, default_short_name));
   layout->AddView(CreateProviderLogo(proposed_logo_id, proposed_short_name));

   // Add the buttons.
   layout->StartRowWithPadding(0, kChoicesViewSetId,
                               0, kRelatedControlVerticalSpacing);
   default_provider_button_ = CreateProviderChoiceButton(
       this,
       IDS_DEFAULT_SEARCH_PROMPT_CURRENT,
       default_short_name);
   layout->AddView(default_provider_button_);
   proposed_provider_button_ = CreateProviderChoiceButton(
       this,
       IDS_DEFAULT_SEARCH_PROMPT_PROPOSED,
       proposed_short_name);
   layout->AddView(proposed_provider_button_);
 }
	// Copyright (c) 2010 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include "chrome/browser/views/default_search_view.h"

	#include <string>

	#include "app/l10n_util.h"
	#include "app/message_box_flags.h"
	#include "app/resource_bundle.h"
	#include "base/utf_string_conversions.h"
	#include "chrome/browser/profile.h"
	#include "chrome/browser/search_engines/template_url.h"
	#include "chrome/browser/search_engines/template_url_model.h"
	#include "chrome/browser/search_engines/template_url_prepopulate_data.h"
	#include "chrome/browser/tab_contents/tab_contents.h"
	#include "gfx/canvas.h"
	#include "grit/generated_resources.h"
	#include "grit/locale_settings.h"
	#include "grit/theme_resources.h"
	#include "views/controls/button/native_button.h"
	#include "views/controls/image_view.h"
	#include "views/controls/label.h"
	#include "views/grid_layout.h"
	#include "views/standard_layout.h"
	#include "views/window/dialog_client_view.h"
	#include "views/window/window.h"

	namespace {

	// Returns a short name and logo resource id for the given host.
	void GetShortNameAndLogoId(PrefService* prefs,
	const TemplateURL* turl,
	std::wstring* short_name,
	int* logo_id) {
	DCHECK(prefs);
	DCHECK(turl);
	DCHECK(short_name);
	DCHECK(logo_id);

	GURL url = TemplateURLModel::GenerateSearchURL(turl);
	scoped_ptr<TemplateURL> built_in_data(
	TemplateURLPrepopulateData::GetEngineForOrigin(prefs, url));

	// Use the built-in information to generate the short name (to ensure
	// that we don't use a name given by the search engine to itself which
	// in the worst case could be misleading).
	if (built_in_data.get()) {
	*short_name = built_in_data->short_name();
	*logo_id = built_in_data->logo_id();
	} else {
	*short_name = UTF8ToWide(url.host()).c_str();
	*logo_id = kNoSearchEngineLogo;
	}
	}

	views::Label* CreateProviderLabel(int message_id) {
	views::Label* choice_label =
	new views::Label(l10n_util::GetString(message_id));
	choice_label->SetColor(SK_ColorBLACK);
	choice_label->SetFont(
	choice_label->font().DeriveFont(1, gfx::Font::NORMAL));
	return choice_label;
	}

	views::View* CreateProviderLogo(
	int logo_id,
	const std::wstring& short_name) {
	views::View* logo_view = NULL;

	// The width for the "logo" element when text is displayed.
	const int kTextLogoWidth = 132;

	bool use_images = false;
	#if defined(GOOGLE_CHROME_BUILD)
	use_images = true;
	#endif

	if (use_images && logo_id != kNoSearchEngineLogo) {
	views::ImageView* logo_image = new views::ImageView();
	SkBitmap* logo_bmp =
	ResourceBundle::GetSharedInstance().GetBitmapNamed(logo_id);
	logo_image->SetImage(logo_bmp);
	logo_image->SetTooltipText(short_name);
	logo_view = logo_image;
	} else {
	// No logo -- show a text label.
	views::Label* logo_label = new views::Label(short_name);
	logo_label->SetColor(SK_ColorDKGRAY);
	logo_label->SetFont(logo_label->font().DeriveFont(3, gfx::Font::BOLD));
	logo_label->SetHorizontalAlignment(views::Label::ALIGN_CENTER);
	// Tooltip text provides accessibility for low-vision users.
	logo_label->SetTooltipText(short_name);
	logo_view = logo_label;
	}

	return logo_view;
	}
	views::NativeButton* CreateProviderChoiceButton(
	views::ButtonListener* listener,
	int message_id,
	const std::wstring& short_name) {
	return new views::NativeButton(listener, l10n_util::GetStringF(
	message_id, short_name));
	}

	} // namespace

	// static
	void DefaultSearchView::Show(TabContents* tab_contents,
	TemplateURL* default_url,
	TemplateURLModel* template_url_model) {
	scoped_ptr<TemplateURL> template_url(default_url);
	if (!template_url_model->CanMakeDefault(default_url) \|\|
	default_url->url()->GetHost().empty())
	return;

	// When the window closes, it will delete itself.
	new DefaultSearchView(tab_contents, template_url.release(),
	template_url_model);
	}

	DefaultSearchView::~DefaultSearchView() {
	}

	void DefaultSearchView::Paint(gfx::Canvas* canvas) {
	// Fill in behind the background image with the standard gray toolbar color.
	canvas->FillRectInt(SkColorSetRGB(237, 238, 237), 0, 0, width(),
	background_image_->height());
	// The rest of the dialog background should be white.
	DCHECK(height() > background_image_->height());
	canvas->FillRectInt(SK_ColorWHITE, 0, background_image_->height(), width(),
	height() - background_image_->height());
	}

	void DefaultSearchView::ButtonPressed(views::Button* sender,
	const views::Event& event) {
	views::DialogClientView* client = GetDialogClientView();
	if (sender == proposed_provider_button_)
	client->AcceptWindow();
	else
	client->CancelWindow();
	}

	std::wstring DefaultSearchView::GetWindowTitle() const {
	return l10n_util::GetString(IDS_DEFAULT_SEARCH_TITLE);
	}

	views::View* DefaultSearchView::GetInitiallyFocusedView() {
	return default_provider_button_;
	}

	views::View* DefaultSearchView::GetContentsView() {
	return this;
	}

	int DefaultSearchView::GetDialogButtons() const {
	return MessageBoxFlags::DIALOGBUTTON_NONE;
	}

	bool DefaultSearchView::Accept() {
	// Check this again in case the default became managed while this dialog was
	// displayed.
	TemplateURL* set_as_default = proposed_turl_.get();
	if (!template_url_model_->CanMakeDefault(set_as_default))
	return true;

	template_url_model_->Add(proposed_turl_.release());
	template_url_model_->SetDefaultSearchProvider(set_as_default);
	return true;
	}

	DefaultSearchView::DefaultSearchView(TabContents* tab_contents,
	TemplateURL* proposed_default_turl,
	TemplateURLModel* template_url_model)
	: background_image_(NULL),
	default_provider_button_(NULL),
	proposed_provider_button_(NULL),
	proposed_turl_(proposed_default_turl),
	template_url_model_(template_url_model) {
	PrefService* prefs = tab_contents->profile()->GetPrefs();
	SetupControls(prefs);

	// Show the dialog.
	tab_contents->CreateConstrainedDialog(this);
	}

	void DefaultSearchView::SetupControls(PrefService* prefs) {
	using views::ColumnSet;
	using views::GridLayout;
	using views::ImageView;
	using views::Label;

	// Column set id's.
	const int kWholeDialogViewSetId = 0;
	const int kPaddedWholeDialogViewSetId = 1;
	const int kChoicesViewSetId = 2;

	// Set up the information for the proposed default.
	std::wstring proposed_short_name;
	int proposed_logo_id = kNoSearchEngineLogo;
	GetShortNameAndLogoId(prefs,
	proposed_turl_.get(),
	&proposed_short_name,
	&proposed_logo_id);
	if (proposed_logo_id != kNoSearchEngineLogo)
	proposed_turl_->set_logo_id(proposed_logo_id);


	// Set up the information for the current default.
	std::wstring default_short_name;
	int default_logo_id = kNoSearchEngineLogo;
	GetShortNameAndLogoId(prefs,
	template_url_model_->GetDefaultSearchProvider(),
	&default_short_name,
	&default_logo_id);

	// Now set-up the dialog contents.
	GridLayout* layout = new views::GridLayout(this);
	layout->SetInsets(0, 0, kPanelVertMargin, 0);
	SetLayoutManager(layout);

	// Add a column set that spans the whole dialog.
	ColumnSet* whole_dialog_column_set =
	layout->AddColumnSet(kWholeDialogViewSetId);
	whole_dialog_column_set->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
	1, GridLayout::FIXED,
	views::Window::GetLocalizedContentsWidth(
	IDS_DEFAULT_SEARCH_WIDTH_CHARS),
	0);

	// Add a column set that spans the whole dialog but obeying padding.
	ColumnSet* padded_whole_dialog_column_set =
	layout->AddColumnSet(kPaddedWholeDialogViewSetId);
	padded_whole_dialog_column_set->AddPaddingColumn(1, kPanelVertMargin);
	padded_whole_dialog_column_set->AddColumn(
	GridLayout::LEADING, GridLayout::LEADING,
	1, GridLayout::USE_PREF, 0, 0);
	padded_whole_dialog_column_set->AddPaddingColumn(1, kPanelVertMargin);

	// Add a column set for the search engine choices.
	ColumnSet* choices_column_set = layout->AddColumnSet(kChoicesViewSetId);
	choices_column_set->AddPaddingColumn(1, kPanelVertMargin);
	choices_column_set->AddColumn(GridLayout::CENTER, GridLayout::CENTER,
	1, GridLayout::USE_PREF, 0, 0);
	choices_column_set->AddPaddingColumn(1, kRelatedControlHorizontalSpacing);
	choices_column_set->AddColumn(GridLayout::CENTER, GridLayout::CENTER,
	1, GridLayout::USE_PREF, 0, 0);
	choices_column_set->LinkColumnSizes(0, 2, -1);
	choices_column_set->AddPaddingColumn(1, kPanelVertMargin);

	// Add the "search box" image.
	layout->StartRow(0, kWholeDialogViewSetId);
	ResourceBundle& rb = ResourceBundle::GetSharedInstance();
	background_image_ = new ImageView();
	background_image_->SetImage(rb.GetBitmapNamed(IDR_SEARCH_ENGINE_DIALOG_TOP));
	background_image_->EnableCanvasFlippingForRTLUI(true);
	ImageView::Alignment horizontal_alignment =
	base::i18n::IsRTL() ? ImageView::LEADING : ImageView::TRAILING;
	background_image_->SetHorizontalAlignment(horizontal_alignment);
	layout->AddView(background_image_);

	// Add text informing the user about the requested default change.
	layout->StartRowWithPadding(0, kPaddedWholeDialogViewSetId,
	1, kLabelToControlVerticalSpacing);
	Label* summary_label = new Label(l10n_util::GetStringF(
	IDS_DEFAULT_SEARCH_SUMMARY,
	proposed_short_name));
	summary_label->SetColor(SK_ColorBLACK);
	summary_label->SetFont(
	summary_label->font().DeriveFont(1, gfx::Font::NORMAL));
	summary_label->SetHorizontalAlignment(Label::ALIGN_LEFT);
	layout->AddView(summary_label);

	// Add the labels for the tops of the choices.
	layout->StartRowWithPadding(0, kChoicesViewSetId,
	0, kRelatedControlVerticalSpacing);
	layout->AddView(CreateProviderLabel(IDS_DEFAULT_SEARCH_LABEL_CURRENT));
	layout->AddView(CreateProviderLabel(IDS_DEFAULT_SEARCH_LABEL_PROPOSED));

	// Add the logos.
	layout->StartRowWithPadding(0, kChoicesViewSetId,
	0, kRelatedControlVerticalSpacing);
	layout->AddView(CreateProviderLogo(default_logo_id, default_short_name));
	layout->AddView(CreateProviderLogo(proposed_logo_id, proposed_short_name));

	// Add the buttons.
	layout->StartRowWithPadding(0, kChoicesViewSetId,
	0, kRelatedControlVerticalSpacing);
	default_provider_button_ = CreateProviderChoiceButton(
	this,
	IDS_DEFAULT_SEARCH_PROMPT_CURRENT,
	default_short_name);
	layout->AddView(default_provider_button_);
	proposed_provider_button_ = CreateProviderChoiceButton(
	this,
	IDS_DEFAULT_SEARCH_PROMPT_PROPOSED,
	proposed_short_name);
	layout->AddView(proposed_provider_button_);
	}